Unfortunately, this study has some limitations to prove the hypothesis that the brain cells of some people have specific attributes. They might have a larger brain inherently.

Furthermore, how to protect your brain from shrinking is still yet to be discovered. If super-agers are genetically determined, it is disappointing. Physicians recommend you to take an exercise and balanced meal. It is because their positive effect on your health has been proven, even if not guaranteeing to keep your brain young.